CN208619670U - A kind of vertical turbine - Google Patents
A kind of vertical turbine Download PDFInfo
- Publication number
- CN208619670U CN208619670U CN201820533673.7U CN201820533673U CN208619670U CN 208619670 U CN208619670 U CN 208619670U CN 201820533673 U CN201820533673 U CN 201820533673U CN 208619670 U CN208619670 U CN 208619670U
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- main shaft
- hydraulic turbine
- seal receptacle
- turbine shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Hydraulic Turbines (AREA)
Abstract
The utility model belongs to technical field of hydroelectric generation, discloses a kind of vertical turbine, including hydraulic turbine shell and spiral case；Runner is equipped in hydraulic turbine shell, the runner that spiral case is connected with hydraulic turbine shell is equipped with mounting bracket, and generator connects main shaft, and main shaft lower end is connected with runner；The junction of hydraulic turbine shell and main shaft is equipped with sealing device, sealing device includes seal receptacle and the change on seal receptacle, seal receptacle is equipped with mounting groove towards the end face of change, the first sealing ring is equipped in mounting groove, the upper end of first sealing ring is contacted with change, it is equipped with the anti-bull stick of the first sealing ring of insertion in mounting groove, spring is arranged in anti-bull stick, seal receptacle is equipped with the first water supplying pipe being connected to mounting groove.External water is passed through mounting groove by vertical turbine provided by the utility model, the first water supplying pipe, applies pressure to the first sealing ring, the upper end of the first sealing ring is made to be adjacent to change, realize sealing.
Description
Technical field
The utility model belongs to technical field of hydroelectric generation, and in particular to a kind of vertical turbine.
Background technique
Water-power plant is in the majority with vertical water turbine unit, and especially large medium-size station is almost vertical water turbine unit.It is vertical
Formula hydraulic turbine main shaft sealing is the main device of movement water flow in turbine chamber and Power Plant isolation, sealing performance it is good
It is bad to be related to power station water power calculation, operational safety and carry out production strictly in line with rules and regulations.
Currently, mainly there are several types of modes for the main shaft seal of vertical turbine: packing main shaft seal, piston type main shaft are close
Envelope, flat main shaft seal and radial seal, flat main shaft seal are divided into single flat main shaft seal and double-layer plate main shaft
Sealing.Single flat main shaft sealing device includes seal receptacle, waterstop ring and change, and waterstop ring is installed on seal receptacle and change
Between, main shaft is installed on seal receptacle, and change can be with main axis, when water flow is overflowed from the mating surface of main shaft and seal receptacle
When, the waterstop ring in turbine seal seat floats automatically by hydraulic pressure, shape between the rotation change with hydraulic turbine main shaft one
At end face seal.
Defect existing for the flat main shaft sealing device of above-mentioned list essentially consists between waterstop ring and rotation change
The pressure that end face seal is provided dependent on the water flow overflowed, cannot accurately be adjusted, pressure is not sufficiently stable.
Utility model content
In order to solve the above problems existing in the present technology, the utility model aim is to provide a kind of vertical turbine.
The technology employed by the present utility model is
A kind of vertical turbine, including hydraulic turbine shell and the spiral case being connected with the water inlet of hydraulic turbine shell；Water wheels
Runner is equipped in casing body, the runner that spiral case is connected with hydraulic turbine shell is equipped with the installation branch for being fixedly installed with generator
Frame, generator connect main shaft, and main shaft lower end penetrates in hydraulic turbine shell to be connected with runner；The junction of hydraulic turbine shell and main shaft
Equipped with sealing device, sealing device includes seal receptacle and the change on seal receptacle, and seal receptacle is towards setting on the end face of change
There is a mounting groove, the first sealing ring is equipped in mounting groove, the upper end of the first sealing ring is contacted with change, is equipped in mounting groove and is inserted into the
The anti-bull stick of one sealing ring, is arranged with spring in anti-bull stick, end in contact under the upper end of spring and the first sealing ring, sets on seal receptacle
There is the first water supplying pipe being connected to mounting groove.
Preferably, the sealed socket sleeve is located on main shaft, and seal receptacle inner peripheral surface is equipped with seal groove, is equipped in seal groove
The second sealing ring contacted with main shaft, seal receptacle are equipped with the second water supplying pipe being connected to seal groove.
Preferably, the upper end of first sealing ring is equipped with wear-resistant layer.
Preferably, the water inlet of the hydraulic turbine shell is equipped with weather board, and weather board is connected with connecting lever, the side of weather board
Wall is equipped with multiple horizontally disposed convex walls.
Preferably, water blocking seal taper sleeve is arranged on the main shaft, water blocking seal taper sleeve is located above sealing device.
Preferably, the hydraulic turbine shell water outlet is equipped with draft tube.
The utility model has the following beneficial effects:
Vertical turbine provided by the utility model makes the first sealing ring by the effect of spring in initialization
It is adjacent to change, downward pressure will not be applied to the first sealing ring because of the leak of end face elder generation.Both solved the first sealing ring in this way
Card plug and initial leakage problems, and solve the problems, such as that water supply pressure has been more than the pressure compensation of water leakage pressure.In the course of work,
External water is passed through mounting groove by the first water supplying pipe, applies pressure to the first sealing ring, is adjacent to the upper end of the first sealing ring and is turned
Ring realizes sealing.Compared with prior art, the hydraulic pressure in mounting groove can accurately adjust, and pressure is able to maintain stabilization, guarantee
More stable sealing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model vertical turbine.
Fig. 2 is the structural schematic diagram of the utility model sealing device.
Fig. 3 is the structural schematic diagram of the utility model weather board and convex wall.
In figure: 1- hydraulic turbine shell；2- spiral case；3- runner；4- mounting bracket；5- main shaft；6- sealing device；601- sealing
Seat；602- change；603- mounting groove；The first sealing ring of 604-；605- anti-bull stick；606- spring；The first water supplying pipe of 607-；608-
Seal groove；The second sealing ring of 609-；The second water supplying pipe of 610-；611- wear-resistant layer；701- weather board；702- connecting lever；703- convex wall；
8- water blocking seal taper sleeve；9- draft tube.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is further elaborated the utility model.
As depicted in figs. 1 and 2, a kind of vertical turbine of the present embodiment, including hydraulic turbine shell 1 and it is set to power station
Spiral case 2 on the basis of water channel, spiral case 2 are connected with the water inlet of hydraulic turbine shell 1, and 1 water outlet of hydraulic turbine shell is equipped with tail water
Pipe 9.Runner 3 is equipped in hydraulic turbine shell 1, the runner that spiral case 2 is connected with hydraulic turbine shell 1 is equipped with and is fixedly installed with power generation
The mounting bracket 4 of machine, generator connect main shaft 5, and 5 lower end of main shaft penetrates in hydraulic turbine shell 1 to be connected with runner 3.From spiral case 2 into
The water flow driving runner 3 entered rotates, and power is transmitted to generator by main shaft 5 and generates electricity.
The junction of hydraulic turbine shell 1 and main shaft 5 is equipped with sealing device 6, is arranged with water blocking seal taper sleeve 8 on main shaft 5, keeps off
Water-stop tapered sleeve 8 is located at 6 top of sealing device.Sealing device 6 includes seal receptacle 601 and the change on seal receptacle 601
602, seal receptacle 601 is equipped with mounting groove 603 towards the end face of change 602, and the first sealing ring 604 is equipped in mounting groove 603, the
The upper end of one sealing ring 604 contacts formation sealing with change 602.
Seal receptacle 601 is equipped with the first water supplying pipe 607 for be connected to mounting groove 603, and the first water supplying pipe 607 is by the water of outside
It is passed through mounting groove 603, pressure is applied to the first sealing ring 604, the upper end of the first sealing ring 604 is made to be adjacent to change 602, is realized close
Envelope.Compared with prior art, the hydraulic pressure in mounting groove 603 can accurately adjust, and pressure is able to maintain stabilization, guarantee more steady
Fixed sealing.
It is equipped with the anti-bull stick 605 of activity the first sealing ring 604 of insertion in mounting groove 603, is arranged with spring in anti-bull stick 605
606, the upper end of spring 606 and the first sealing ring 604 descend end in contact, and after assembling, spring 606 is in compressive state, to first
Sealing ring 604 applies certain pressure, in initialization, so that the first sealing ring 604 is adjacent to change by the effect of spring 606
602, downward pressure will not be applied to the first sealing ring 604 because of the leak of end face elder generation.Both solved the first sealing ring 604 in this way
The problem of card plug and initial leakage, and solve the problems, such as that water supply pressure has been more than the pressure compensation of water leakage pressure.Even if moreover,
The hydraulic pressure system of first water supplying pipe 607 blocks or water flow shutoff, can also guarantee that sealing device 6 works normally, and improves sealing dress
Set 6 security reliability.
Seal receptacle 601 is set on main shaft 5, and 601 inner peripheral surface of seal receptacle is equipped with seal groove 608, is set in seal groove 608
There is the second sealing ring 609, the second sealing ring 609 contacts formation sealing with main shaft 5, improves sealing effect.
Seal receptacle 601 is equipped with the second water supplying pipe 610 for be connected to seal groove 608, and the second water supplying pipe 610 is by the water of outside
It is passed through seal groove 608, pressure is applied to the second sealing ring 609, the side of the second sealing ring 609 is made to be adjacent to main shaft 5, is realized close
Envelope.
The upper end of first sealing ring 604 is equipped with the wear-resistant layer 611 directly contacted with change 602, and wear-resistant layer 611 selects high score
Subtree resin-based composite.This material has higher hardness, extremely low coefficient of friction, good machining property, long-term
Stable material property.This material wear-resistant performance is 50 times of nitrile rubber, and oil resistance and polysulfide rubber are suitable.This material is also
There are very high intensity and moderate hardness, in situation identical with rubber hardness, tensile strength, tearing strength rubber finer than fourth
Glue is higher by very much.In addition, the material also has extremely low expansion rate of water absorption, good self-lubricating property.
As shown in figures 1 and 3, the water inlet of hydraulic turbine shell 1 is equipped with speed adjusting gear, and speed adjusting gear includes being set to water wheels
The weather board 701 of the water inlet of casing body 1, weather board 701 are connected with connecting lever 702, and the side wall of weather board 701 is equipped with multiple
Horizontally disposed convex wall 703.Connecting lever 702 is connected with servomotor, and servomotor can drive the side of the adjustment weather board 701 of connecting lever 702
To.
Convex wall 703 is the convex wall of outer end height, low, the intermediate smooth transition in inner end.Convex wall 703 not only acts as raising weather board
The effect of 701 mechanical strengths, and there is certain water guiding action, so that water flow is rapidly entered in hydraulic turbine shell 1.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, making any variation in its shape or structure, all the utility model rights that falls into are wanted
The technical solution in confining spectrum is sought, is all fallen within the protection scope of the utility model.
Claims (6)
1. a kind of vertical turbine, it is characterised in that: the water inlet including hydraulic turbine shell (1) and with hydraulic turbine shell (1)
Connected spiral case (2)；Runner (3) are equipped in hydraulic turbine shell (1), on the runner that spiral case (2) is connected with hydraulic turbine shell (1)
Equipped with the mounting bracket (4) for being fixedly installed with generator, generator connects main shaft (5), and main shaft (5) lower end penetrates hydraulic turbine shell
(1) it is connected in runner (3)；The junction of hydraulic turbine shell (1) and main shaft (5) is equipped with sealing device (6), sealing device (6)
Including seal receptacle (601) and the change (602) being set on seal receptacle (601), end face of the seal receptacle (601) towards change (602)
Be equipped with mounting groove (603), be equipped with the first sealing ring (604) in mounting groove (603), the upper end of the first sealing ring (604) with turn
Ring (602) contact, the interior anti-bull stick (605) for being equipped with insertion the first sealing ring (604) of mounting groove (603), anti-bull stick cover on (605)
Equipped with spring (606), upper end and the end in contact under the first sealing ring (604) of spring (606), seal receptacle (601) is equipped with and peace
The first water supplying pipe (607) of tankage (603) connection.
2. vertical turbine according to claim 1, it is characterised in that: the seal receptacle (601) is set in main shaft (5)
On, seal receptacle (601) inner peripheral surface is equipped with seal groove (608), and second contacted with main shaft (5) is equipped in seal groove (608)
Sealing ring (609), seal receptacle (601) are equipped with the second water supplying pipe (610) being connected to seal groove (608).
3. vertical turbine according to claim 1 or 2, it is characterised in that: the upper end of first sealing ring (604) is set
There are wear-resistant layer (611).
4. vertical turbine according to claim 1 or 2, it is characterised in that: the water inlet of the hydraulic turbine shell (1)
Equipped with weather board (701), weather board (701) is connected with connecting lever (702), and the side wall of weather board (701) is equipped with multiple levels and sets
The convex wall (703) set.
5. vertical turbine according to claim 1 or 2, it is characterised in that: be arranged with water blocking sealing on the main shaft (5)
Tapered sleeve (8), water blocking seal taper sleeve (8) are located above sealing device (6).
6. vertical turbine according to claim 1 or 2, it is characterised in that: hydraulic turbine shell (1) water outlet is set
There are draft tube (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820533673.7U CN208619670U (en) | 2018-04-13 | 2018-04-13 | A kind of vertical turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820533673.7U CN208619670U (en) | 2018-04-13 | 2018-04-13 | A kind of vertical turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208619670U true CN208619670U (en) | 2019-03-19 |
Family
ID=65699636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820533673.7U Expired - Fee Related CN208619670U (en) | 2018-04-13 | 2018-04-13 | A kind of vertical turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208619670U (en) |
-
2018
- 2018-04-13 CN CN201820533673.7U patent/CN208619670U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190319 Termination date: 20200413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |